Probably in Arabia in ancient times. The Arabs were the first to introduce the concept of 'zero'.
12
The tally marks I'm familiar with cannot have negative numbers because they are used to count real things and there cannot be a negative apple
europeans
The difference between two negative numbers is negative if the second number ( the number you are subtracting from the first) is less in value than the first. For example (-3) - ( -2) = -3 + 2 = -1 (-3) - (-4) = -3 + 4 = + 1
They are used in accoutancy, temperature and alot of other places
China and india
Negative rational numbers are used in the same way that negative whole numbers are used: they are simply the additive inverses of their positive counterparts.
Exponents are negative numbers. This is used in math a lot.
12
GAY
-55
The Chinese
to separate negative and positive numbers
The first place to use negative integers was China around 200 B.C
The tally marks I'm familiar with cannot have negative numbers because they are used to count real things and there cannot be a negative apple
0-(first #)-(2nd #)
Decreases are often represented by negative numbers. Temperatures outside of most tropical regions are occasionally negative on the commonly used scales.